Related Clues:

• 'The Mysterious -- at Styles', Agatha Christie's first published novel
• Liaison with a French blonde?
• Intrigue. It boils down to two characters: a fellow with female active in a retreat
• Project wind by a very loud passage
• A very strong atmosphere of romance
• Dalliance
• A loud blonde in extramarital relationship
• Secret romance
• A fine and equitable business
• A fling (or something more serious?)
• Catered party
• Fling a fellow's had with blonde
• Many a soap opera plotline
• Extramarital activity
• Relationship that's a concern?